Perhaps you should try some spelling variations:
tthanh tung » thanh trung, thanh hung, hanh tung
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sach - ((tthanh tung) or (thanh tung)) va nhung cong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - ((tthanh tung) OR (thanh tung)) va nhung cong van tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - ((tthanh tung) or (thanh tung)) va nhung cong van tuan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - ((tthanh tung) or (thanh tung)) va nhung cong van tuan cao*.